Integer Rules Review

Integer Addition

100

Without using a calculator, solve:

-7 + 3

-4

200

Without using a calculator, solve:

12 + (-8)

4

300

Without using a calculator, solve:

-15 + 24

9

400

Without using a calculator, solve:

-32 + (-19)

-51

500

A submarine is 250 feet below sea level. It rises 175 feet. What is its new position relative to sea level?

75 feet below sea level

Integer Subtraction

100

Without using a calculator, solve:

9−12

-3

200

Without using a calculator, solve:

−6−5

-11

300

Without using a calculator, solve:

25−(−17)

42

400

Rewrite the subtraction problem as an equivalent addition problem:

−48−(−22)

-48 + 22

500

The temperature was 15°F in the morning. By night, it dropped 27°F. What is the new temperature?

15 - 27 = -12

Integer Multiplication

100

6×(−3)

-18

200

(−4)×(−7)

28

300

−12×9

-108

400

15×(−11)

-165

500

A video game decreases your score by 12 points each time you lose a round. After 18 rounds lost, what is your score change?

-12 x 18 = -216

Integer Division

100

18÷(−3)

-6

200

(−24)÷(−6)

4

300

(−72)÷9

-8

400

132÷(−11)

-12

500

A diver descends 84 feet evenly over 7 minutes. How many feet per minute does the diver descend?

84 ÷ 7 = 12

Integer Order of Operations

100

2+3×4

2+3×4

2+12

14

200

(8−5)×6

(8−5)×6

3x6

18

300

(−2x2)+(10÷2)

(−2x2)+(10÷2)

-4+5

1

400

(15−9)×(−3)+4

(15−9)×(−3)+4

6x(-3)+4

-18+4

-14

500

A movie theater sells 6 tickets for $8 each, then gives a $12 discount. Write and evaluate an expression to find the total cost.

(6x8)-12

48-12

36